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Finding the Fourth Proportional to 191,920.38, 264,850.59 and 107,042.94

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Solution

The fourth proportional to 191,920.38, 264,850.59 and 107,042.94 is: 147,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,920.38 : 264,850.59 = 107,042.94 : x
  2. Step 2: Convert to fraction form
    191,920.38/264,850.59 = 107,042.94/x
  3. Step 3: Cross multiply
    191,920.38x = 264,850.59 × 107,042.94
  4. Step 4: Simplify right side
    191,920.38x = 28,350,385,814.33
  5. Step 5: Solve for x
    x = 28,350,385,814.33/191,920.38
  6. Step 6: Final answer
    x = 147,719.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.